Actually, I meant only with -fno-specialise. On 13 April 2015 at 21:09, Michal Terepeta <michal.terep...@gmail.com> wrote:
> On Mon, Apr 13, 2015 at 12:20 PM, Christiaan Baaij > <christiaan.ba...@gmail.com> wrote: > > > > Hi, > > > > I wonder if this might be in any way related to the HUGE amount of new > terms/types/coercions created by the specialiser as documented in: > > https://ghc.haskell.org/trac/ghc/ticket/9630#comment:10 > > > > I don’t have a profiled version of GHC, so I was wondering if you could > run your tests with a ‘-fno-specialise’, and see how everything performs > then? > > > > Cheers, > > > > Christiaan > > Unfortunately trac is timing out for me, so I'll have a look at the > issues later... > > As for compiling haskell-src-exts with both -fno-specialise and > -fno-call-arity, > we're pretty much at the same level as GHC 7.8.4. > > > > Mon Apr 13 20:25 2015 Time and Allocation Profiling Report (Final) > > ghc +RTS -p -RTS [...] -fno-specialise -fno-call-arity > > total time = 89.93 secs (89928 ticks @ 1000 us, 1 processor) > total alloc = 93,495,685,792 bytes (excludes profiling overheads) > > COST CENTRE MODULE %time %alloc > > SimplTopBinds SimplCore 38.7 38.6 > pprNativeCode AsmCodeGen 5.1 5.9 > StgCmm HscMain 3.7 3.3 > occAnalBind.assoc OccurAnal 3.2 3.6 > OccAnal SimplCore 3.2 3.6 > tc_rn_src_decls TcRnDriver 3.1 2.5 > RegAlloc AsmCodeGen 3.1 4.2 > regLiveness AsmCodeGen 3.0 3.5 > FloatOutwards SimplCore 2.7 2.4 > sink CmmPipeline 2.6 2.7 > Simplify SimplCore 2.5 0.1 > NewStranal SimplCore 1.9 2.3 > genMachCode AsmCodeGen 1.8 1.7 > layoutStack CmmPipeline 1.6 1.7 > NativeCodeGen CodeOutput 1.4 1.5 > FloatInwards SimplCore 1.2 1.6 > CoreTidy HscMain 1.2 1.2 > deSugar HscMain 1.2 1.2 > do_block Hoopl.Dataflow 1.1 0.7 > CorePrep HscMain 1.0 1.1 > versioninfo MkIface 0.9 1.0 > Parser HscMain 0.9 1.2 > Digraph.scc Digraph 0.9 1.5 > canEvVar TcCanonical 0.7 1.0 >
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